im tired of breaking autozones batteries

"Car is moving" means charging? If your alternator is ok (and not blowing) I see no need for altered diodes. (Not that I agree with the "twice as efficient" with dual diodes, but that's not the point of the diode pairing anyhow.) From your description, it does sound like a bad battery. Maybe they do typically fail after 12 months. (But that's 4 times longer than the Optimas I general hear of LOL!) And again, I do not understand why you are using an AGM - especially if they are used and fail that often.

So the duralast battery I have Is a bad choice and the optima. The batteries are purchased new not used tho. What do you recommend. I'm kinda shotting myself in the foot with All these extra electronic upgrades and a power everthing car huh..... as for those new Alts i was refering to does it seem like a good upgrade in the future1993 sdv

Alpine 4x6 6x9 5 1/4 swr-10d4

alpine v60

12.5 VGA flip down

Nettop pc w/10" touch screen

78nova

5-re audio 5x7 ,10" sub &

Xtx-500.5

"Take the faceplate off get the jumperpack"

I thought I had suggested options. I can't suggest anything else based on the limited information.

I had this dream.... It was one of those where I was simplyfalling but I was saved by a car. I put it down to its use of multiple batteries. Strange dreams I have these days.... I hope I have another like it...